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Use case

On/Off Valve Reduced Wiring System

Drastically reduced system design and system startup time and manpower.

System Configuration

DCS (Distributed Control System) control stations and PLCs are connected via an inter-controller network. Deployment of CC-Link via PLCs allows solenoid valves and digital input units to be connected on CC-Link.

Solenoid valve storage panel interior
On/Off valve on-site installation status

Results

  • Simplified power circuitry.
    Solenoid valve circuit buffer relays and terminal blocks are not required, with 8 consecutive block type solenoid valves used to simplify power circuitry and decrease board size.
  • Simplified wiring within the board.
    Autonomous I/F boards are not required as the component count is less, drastically reducing board wiring.
  • Reduced wiring construction costs.
    The DCS and solenoid valve storage panel are connected via a transmission cable bus, achieving large cost benefits in terms of on-site wiring work.

Source: Oji Engineering Co., Ltd.

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